JP6527428B2 - Lighting device and toilet bowl - Google Patents

Description

  The present invention relates to a lighting device attached to a toilet bowl body to illuminate the inside of a toilet bowl and a toilet bowl provided with the lighting device.

  Conventionally, a toilet bowl is known in which a lighting device for lighting the inside of a toilet bowl is attached to a toilet bowl body (see, for example, Patent Document 1). In the lighting device disclosed in Patent Document 1, the irradiated light forms a spot for indicating a urination point when the Western-style toilet bowl is used in a small size for a boy.

JP, 2002-119442, A

By the way, the inside of a toilet bowl may be lighted and the light may be used as lighting of a toilet space.
However, the lighting device for lighting the inside of the toilet has a uniform brightness because the light axis portion of the light emitted from the lighting device reflects more strongly at the bowl surface than the surrounding portion, and thus has a uniform brightness. There is nothing to do.

  Then, an object of this invention is to provide the illuminating device and toilet bowl which can illuminate the inside of a toilet bowl uniformly.

In order to achieve the above object, a lighting device according to the present invention is a lighting device mounted on a toilet body for lighting the inside of a toilet bowl, wherein light emitted from a light source provided on the upper portion of the toilet body is irradiated. Is reflected on the back of the toilet seat attached to the upper part of the toilet bowl body toward the inside of the toilet bowl to illuminate the inside of the toilet bowl, and on the back of the toilet seat, a horizontal surface on the side away from the light source A horizontal portion is formed, and on the side closer to the light source, there is formed an inclined portion which becomes an inclined surface facing upward as approaching the light source, and a corner portion where the horizontal portion and the inclined portion are connected It is characterized in that the light emitted from the light source is reflected toward the inside of the toilet bowl by the inclined portion and the corner portion .
Moreover, the toilet according to the present invention is characterized in that the above-mentioned lighting device is provided.

In the present invention, since the light emitted from the light source is primarily reflected on the back surface of the toilet seat and then the inside of the toilet bowl is irradiated, compared with the case where the light is irradiated from the light source directly to the inside of the toilet bowl, The difference in brightness between the portion of the optical axis and the portion around it is small, and the inside of the toilet can be illuminated uniformly. In addition, the light emitted from the light source is reflected by the back of the toilet seat and then directed to the inside of the lower toilet, so that the light is not emitted toward the user and the user is strongly You can eliminate what you feel.
Further, in the lighting device according to the present invention, a horizontal portion which is a horizontal surface is formed on the back side of the toilet seat on the side away from the light source, and on the side closer to the light source The inclined portion and the corner portion where the horizontal portion and the inclined portion are connected are formed, and light irradiated from the light source is reflected toward the inside of the toilet bowl by the inclined portion and the corner portion.
With such a configuration, light emitted from the light source can be reflected in many directions toward the inside of the toilet bowl.
In the lighting device according to the present invention, which is attached to the toilet body to illuminate the inside of the toilet bowl, the toilet seat in a lying posture in which the user sits on the upper portion of the toilet body. Light emitted from a light source provided below the back surface is reflected by the back surface of the toilet seat attached to the upper portion of the toilet bowl main body and in the lying position toward the inside of the toilet bowl, and the inside of the toilet bowl Lighting.

Further, in the lighting device according to the present invention, it is preferable that the light sources be disposed on both sides of the central portion in the width direction of the toilet body with a space, respectively.
With such a configuration, light is irradiated from both sides of the central portion in the width direction of the toilet body, so that the inside of the toilet bowl can be illuminated uniformly. Note that the width direction indicates a horizontal direction orthogonal to the front-rear direction of the toilet seat.
Also, since the toilet seat is formed in a substantially O-shape or a substantially U-shape, and the seat portions extending in the front-rear direction are formed on both sides in the width direction, the light sources are provided on both sides in the width direction central portion of the toilet body. By being arrange | positioned, light can be irradiated and reflected on the wide range of the seating part formed in the both sides of the width direction among the back surfaces of a toilet seat.

Further, in the lighting device according to the present invention, when the lighting inside the toilet bowl is in the on state, the toilet seat is in a posture in which the back surface thereof is lifted so as to be separated from the toilet bowl main body. It is preferable to perform control to turn off the illumination.
With such a configuration, even if the toilet seat is raised with the illumination turned on, the illumination is turned off so that the light emitted from the light source does not enter the eyes of the user.

  According to the present invention, the inside of the toilet bowl can be illuminated uniformly.

It is a perspective view showing an example of a toilet according to an embodiment of the present invention. It is a perspective view which shows the inside of a function part. It is a perspective view for explaining the back of a toilet seat. It is a top view for demonstrating the position of a light source. It is a figure for demonstrating the advancing direction of the light irradiated from the light source, and is the figure which showed the internal shape of the toilet bowl by the AA line cross section of FIG. 4 with the broken line. It is a figure for demonstrating the advancing direction of the light irradiated from the light source, and is the figure which showed the shape of the inside of the toilet bowl by the BB cross section of FIG. 4 with the broken line.

Hereinafter, a lighting device and a toilet according to an embodiment of the present invention will be described based on FIGS. 1 to 6.
As shown in FIG. 1, the toilet bowl 1 according to the present embodiment is a flush type toilet bowl, and a toilet bowl body 2 connected to a drainage pipe (not shown) installed on the floor surface 12 of the toilet space 11 and extending downward; It has a functional part 3 attached to the main body 2 and a toilet seat 4 rotatably attached to the toilet main body 2 via the functional part 3.

As shown in FIG. 2, the functional unit 3 includes various functional devices and various functional parts such as the local cleaning device 6, the sterilization / deodorization device 7, the illumination device 8 for illuminating the inside of the toilet bowl 21 of the toilet bowl body 2, A control unit (not shown) for controlling the drive of these various functional devices and various functional parts, a power unit (not shown) for supplying power to various functional devices and various functional parts and control unit, and these are accommodated Case 9 etc. are shown.
Here, the side on which the functional unit 3 of the toilet bowl 1 is provided is the rear side in the front-rear direction, and the side on which the toilet seat 4 is provided is the front side in the front-rear direction. Further, the horizontal direction orthogonal to the front-rear direction is taken as the width direction.

As shown in FIG. 1 and FIG. 3, the toilet seat 4 has a predetermined thickness in the height direction and has an annular plan view in a lying position (hereinafter referred to as a lying position) when the user is seated. (FIG. 3) which has the main body 41 formed in this way, and four protrusions 42, 42... (See FIG. 3) projecting downward from the lower surface 41a (see FIG. 3) of the main body 41. As shown in FIG. 1, the toilet seat 4 is attached to the toilet body 2 near the rear end 41b in the lying position via the functional part 3 (see FIG. 1), and in the width direction near this rear end 41b It is configured to be pivotable about an extending pivot shaft 43.
The four projecting portions 42, 42... Are arranged two by two at intervals in the width direction in the lying posture, and two each at intervals in the front-rear direction. When the toilet seat 4 is in the lying position, the four projections 42, 42... Abut on the upper surface 2a (see FIG. 1) of the toilet body 2 and a gap is formed between the lower surface 41a of the main body 41 and the upper surface 2a of the toilet body 2. Is formed.

  Further, on the lower surface 41a in the vicinity of the rear end portion 41b in the lying posture, an inclined portion 44 which is an inclined surface which is gradually directed upward toward the rear side is formed over the entire width direction. A horizontal portion 45 which is a substantially horizontal surface is formed on the front side in the lying posture of the inclined portion 44 of the main body portion 41, and the inclined portion 44 and the horizontal portion 45 are connected at a corner 46.

As shown in FIG. 2 and FIG. 4, the lighting device 8 is an LED serving as a pair of light sources respectively provided on both sides in the width direction of the front surface 9 a of the case 9 (both sides of the central portion in the width direction of the toilet body 2) (Light source) 81, 81 is provided. The pair of LEDs 81 and 81 are disposed at positions facing the inclined portion 44 of the main body 41 of the toilet seat 4 in the lying position and the projection 42 formed on the rear side of the toilet seat 4, respectively. In the present embodiment, the light emitted from the pair of LEDs 81 is emitted substantially horizontally in the forward direction.
Moreover, in this embodiment, the color of the light of a pair of LED81, 81 is blue, respectively.

As shown in FIGS. 5 and 6, the light L emitted from the pair of LEDs 81 and 81 strikes the inclined portion 44 and the projecting portion 42 of the toilet seat 4 in the lying position, respectively, and is directed to the inside of the toilet bowl 21. It is configured to reflect and illuminate the inside of the toilet bowl 21.
In the present embodiment, the interior of the toilet bowl 21 is illuminated by the lighting device 8 during a period in which the sterilization / deodorization device 7 disinfects / deodorizes the toilet space 11.
The LEDs 81 and 81 are disposed below the toilet seat 4 when the toilet seat 4 is in the lying position, but will be exposed when the toilet seat 4 is in the raised position. For this reason, the toilet bowl 1 is provided with a sensor for detecting the opening and closing of the toilet seat 4 (whether it is a lying posture or an elevated posture), and the LEDs 81 and 81 are turned off when the toilet seat is raised. It is preferable that it is set. By this setting, it is possible to prevent the light of the LEDs 81 and 81 from directly entering the eyes of the user who raised the toilet seat 4.

Next, the operation and effects of the lighting device 8 and the toilet bowl 1 according to the above-described embodiment will be described using the drawings.
In the present embodiment, since the light emitted from the LEDs 81 and 81 is primarily reflected on the back surface of the toilet seat and then the inside of the toilet bowl 21 is irradiated, the light is directly emitted from the LEDs 81 and 81 to the inside of the toilet bowl 21 and In comparison, the difference in brightness between the portion of the light and the portion around the portion of the light is small, and the inside of the toilet bowl 21 can be uniformly irradiated. In addition, the light emitted from the LEDs 81 and 81 is reflected on the back surface of the toilet seat 4 and then directed to the inside of the lower toilet bowl 21. Therefore, the light is not emitted toward the user, and the user can It can eliminate the feeling of strong glare.
Moreover, the light irradiated from LED81, 81 is not irradiated directly toward a user by irradiating substantially horizontal direction.

In addition, since the LEDs 81 and 81 are disposed at intervals on both sides of the central portion in the width direction of the functional unit 3, light is emitted from both sides of the central portion in the width direction of the toilet body 2, The inside of the toilet bowl 21 can be illuminated uniformly. Moreover, since the toilet seat 4 is formed in a substantially O-shape or a substantially U-shape and has seat portions extending in the front-rear direction on both sides in the width direction, the LEDs 81 are provided on both sides in the width direction of the functional portion 3 By arranging 81, light can be irradiated and reflected to a wide range of the back surface of the seating portion of the toilet seat 4.
Further, the LEDs 81 and 81 can be concealed so as not to be exposed above the toilet seat 4 by the seat portions extending in the front-rear direction on both sides in the width direction of the toilet seat 4.

Further, by irradiating the light of the LEDs 81 and 81 to the inclined portion 44, the corner 46 and the projection 42 on the back surface of the toilet seat 4, the light emitted by the LEDs 81 and 81 is reflected in many directions toward the inside of the toilet bowl 21. The interior of the toilet bowl 21 can be illuminated uniformly.
Further, the main body 41 of the toilet seat 4 can suppress the light traveling upward from the LEDs 81, 81.

As mentioned above, although embodiment of the illuminating device 8 and the toilet bowl 1 by this invention was described, this invention is not limited to said embodiment, It can change suitably in the range which does not deviate from the meaning.
For example, in the above embodiment, the LEDs 81, 81 are provided at intervals on both sides of the central portion in the width direction of the functional portion 3, but the central portion of the functional portion 3 or the width direction of the functional portion 3 It may be provided only on one side of Moreover, in addition to both sides of the central part of the width direction of the function part 3, you may provide in the central part of the width direction, and the position and number which are installed may be set suitably.
Further, in the above embodiment, the light of the LEDs 81 and 81 is applied to the inclined portion 44, the corner 46 and the protrusion 42 on the back surface of the toilet seat 4 to reflect the light toward the inside of the toilet bowl 21. As long as the light from the LEDs 81 and 81 is applied to the back surface and reflected toward the inside of the toilet bowl 21, the light from the LEDs 81 and 81 may be emitted to the inside of the toilet bowl 21 for reflection to the inside of the toilet bowl 21. .
Moreover, in said embodiment, although LED81,81 is used as the light source of the illuminating device 8, it is good also as light sources of the illuminating device 8 other than LED. In addition, the color of the light of the LEDs 81, 81 may be set as appropriate.

In addition to the lighting device 8 according to the above-described embodiment, a conventional lighting device that directly illuminates the inside of the toilet bowl 21 may be provided.
In the above embodiment, although the toilet lid 1 is not provided with the toilet lid, the toilet lid 1 is provided with the toilet lid, and the light illuminating the inside of the toilet bowl 21 is the gap between the toilet lid and the toilet bowl main body 2 May leak outside.

  Further, in the above embodiment, the inside of the toilet bowl 21 is illuminated by the lighting device 8 during the period when the toilet space 11 is disinfected / deodorized by the disinfecting / deodorizing device 7. The illumination period may be set appropriately. For example, after flushing water using the toilet bowl 1, the inside of the toilet bowl 21 may be illuminated, or the interior of the toilet bowl 21 may be illuminated when the toilet lid is opened. In addition, the interior of the bowl 21 may be illuminated at night as illumination of the toilet space. Also, the user may optionally illuminate the inside of the bowl 21.

Reference Signs List 1 toilet 2 main body 3 function unit 4 toilet seat 8 lighting device 21 toilet bowl 44 inclined portion 45 horizontal portion 46 corner portion 81 LED (light source)

Claims (5)

In a lighting device attached to a toilet bowl body to illuminate the inside of the toilet bowl body,
The light emitted from the light source provided at the upper portion of the toilet body is reflected by the back of the toilet seat attached to the upper portion of the toilet body toward the inside of the toilet bowl to illuminate the inside of the toilet bowl ;
On the back surface of the toilet seat, a horizontal portion that is a horizontal surface on the side away from the light source is formed, and on the side closer to the light source, an inclined portion that is an inclined surface facing upward as it approaches the light source; A corner portion where the portion and the inclined portion are connected is formed,
An illuminating device characterized in that light emitted from the light source is reflected toward the inside of the toilet bowl by the inclined portion and the corner portion . In a lighting device attached to a toilet bowl body to illuminate the inside of the toilet bowl body,
Seat recumbent the light beyond the back surface of the toilet seat was irradiated from a light source provided on the lower side of the posture and the lying attached to an upper portion of the stool body posture at the time of user sits at the top of the toilet bowl A lighting device which reflects the light toward the inside of the toilet bowl on the back side of the light source and illuminates the inside of the toilet bowl. The lighting device according to claim 1 or 2 , wherein the light sources are arranged at intervals on both sides of a central portion in the width direction of the toilet body.   In the state where the lighting inside the toilet bowl is on, when the back of the toilet seat is brought up so as to be separated from the toilet bowl main body, control is performed to turn off the lighting inside the toilet bowl. The lighting device according to any one of 1 to 3.   A toilet bowl provided with the lighting device according to any one of claims 1 to 4.

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